CN206596225U - A kind of four drive the speakers for tablet personal computer - Google Patents
A kind of four drive the speakers for tablet personal computer Download PDFInfo
- Publication number
- CN206596225U CN206596225U CN201720392959.3U CN201720392959U CN206596225U CN 206596225 U CN206596225 U CN 206596225U CN 201720392959 U CN201720392959 U CN 201720392959U CN 206596225 U CN206596225 U CN 206596225U
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- China
- Prior art keywords
- vibrating diaphragm
- iron
- magnetic circuit
- voice coil
- support
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model belongs to loudspeaker techniques field, discloses a kind of four drive the speakers for tablet personal computer, exist that audiorange is narrow for solving prior art, sound easy distortion the problem of.The utility model includes support, the support is evenly distributed with four mounting holes, magnetic circuit unit is installed in each mounting hole, four magnetic circuit unit one rectangular-shaped structures of formation, the hole wall that the magnetic circuit unit includes U iron, the outer wall of U iron and mounting hole is fixed, and the indent of U iron is fixedly arranged in the middle of magnet steel, gap is left between the inwall of magnet steel and the U iron and forms magnetic gap, washer is fixed with the magnet steel, the top of the washer is provided with the first vibrating diaphragm, and the lower surface of first vibrating diaphragm is connected with voice coil loudspeaker voice coil；The periphery of four voice coil loudspeaker voice coils of four magnetic circuit units is additionally provided with the second vibrating diaphragm, and second vibrating diaphragm is in horn-like, and the surrounding of the second vibrating diaphragm is connected on support.
Description
Technical field
The utility model belongs to loudspeaker techniques field, and in particular to a kind of four drive the speakers for tablet personal computer.
Background technology
In the prior art, tablet personal computer (and other electronic products) is because of space structure and the original of appearance requirement more and more thinner
Cause, makes the space of conventional loudspeakers also further compress, and loudspeaker is obtained more preferable tonequality body in this case
It is those skilled in the art's urgent problem to be solved to test.
For this problem, the utility model patent of Application No. 201520074825.8 discloses a kind of dual drive and raised one's voice
Device, including bar shaped support, bar shaped support is longitudinally spaced to be provided with two mounting holes, and mounting hole is solid in through hole, two mounting holes
Surely there is magnetic circuit unit, longitudinal direction of two magnetic circuit units along bar shaped support is arranged in a straight line, magnetic circuit unit includes U iron, the outer wall and branch of U iron
The hole wall of frame mounting hole is fixed, and magnet steel is fixed with the indent of U iron, and gap is left between magnet steel and the inwall of U iron, is formed between magnetic
It is fixed with gap, magnet steel above washer, washer and is provided with vibrating diaphragm, vibrating diaphragm is fixed on support, and two rings are fixed with vibrating diaphragm lower surface
Shape voice coil loudspeaker voice coil, corresponds to two magnetic circuit units, and make ring-type voice coil loudspeaker voice coil in the magnetic gap between magnet steel and the inwall of U iron respectively；Vibrating diaphragm
For rectangle, vibrating diaphragm includes the ring portion of the top dome portion of the vibrating diaphragm positioned at center and the vibrating diaphragm positioned at marginal position, two voice coil loudspeaker voice coils
Longitudinally spaced along vibrating diaphragm is fixed on vibrating diaphragm, and on vibrating diaphragm in correspondence ball top internal diameter.
But the device results in bigger sound press, but the device has the problem of frequency range is narrow, easily leads
Cause audio distortions.
Utility model content
The utility model has that audiorange is narrow to solve prior art, sound easy distortion the problem of, and provide
A kind of four drive the speakers for tablet personal computer, while sound press is further expanded, it is possible to increase audiorange so that sound
Matter definition is high, pure and honest.
To solve technical problem, the technical scheme that the utility model is used is：
A kind of four drive the speakers for tablet personal computer, including support, it is characterised in that the support is evenly distributed with
Magnetic circuit unit, four magnetic circuit unit one rectangular-shaped structures of formation, the magnetic circuit are installed in four mounting holes, each mounting hole
The hole wall that unit includes U iron, the outer wall of U iron and mounting hole is fixed, and the indent of U iron is fixedly arranged in the middle of magnet steel, the magnet steel and U iron
Inwall between leave gap and form magnetic gap, washer is fixed with the magnet steel, the top of the washer is provided with the first vibrating diaphragm,
The lower surface of first vibrating diaphragm is connected with voice coil loudspeaker voice coil；The periphery of four voice coil loudspeaker voice coils of four magnetic circuit units is additionally provided with the second vibrating diaphragm,
Second vibrating diaphragm is in horn-like, and the surrounding of the second vibrating diaphragm is connected on support.
The size of the second vibrating diaphragm lower end is less than the size of the second vibrating diaphragm upper end.
The periphery of second vibrating diaphragm is disposed with ring portion and fixed part, and second vibrating diaphragm is through fixed part and support
Connection.
The thickness in the ring portion is less than the thickness of the second vibrating diaphragm.
The thickness of second vibrating diaphragm is more than the thickness of the first vibrating diaphragm.
The support is additionally provided with for protective cover.
Compared with prior art, the utility model has the advantages that：
Four drive the speakers for tablet personal computer that the utility model is provided include support, and the support is evenly distributed with
Magnetic circuit unit, four magnetic circuit unit one rectangular-shaped structures of formation, the magnetic circuit are installed in four mounting holes, each mounting hole
The hole wall that unit includes U iron, the outer wall of U iron and mounting hole is fixed, and the indent of U iron is fixedly arranged in the middle of magnet steel, the magnet steel and U iron
Inwall between leave gap and form magnetic gap, washer is fixed with the magnet steel, the top of the washer is provided with the first vibrating diaphragm,
The lower surface of first vibrating diaphragm is connected with voice coil loudspeaker voice coil；The periphery of four voice coil loudspeaker voice coils of four magnetic circuit units is additionally provided with the second vibrating diaphragm,
Second vibrating diaphragm is in horn-like, and the surrounding of the second vibrating diaphragm is connected on support.In TS parameters, BL values are decision speaker
The major parameter of pressure value size, wherein " B " value is magnetic field intensity, " L " value is the length of voice coil loudspeaker voice coil.It can be obtained according to magnetic simulation
Go out, in the case of area identical, single magnetic circuit unit is split as four magnetic circuit units of a size, can be obtained bigger
" B " value；Likewise, in the case of voice coil loudspeaker voice coil effective area identical, four voice coil loudspeaker voice coils can obtain than one voice coil loudspeaker voice coil bigger " L "
Value, therefore the utility model results in bigger sound press compared with prior art.
The utility model is by the first vibrating diaphragm and the structure design of the second folded film simultaneously, and less first vibrating diaphragm of size can
Obtain and improve high frequency characteristics, low frequency characteristic during larger-size second vibrating diaphragm can be improved, so that the utility model can
Obtain the frequency compared with money；The vibrating diaphragm of the utility model first and the second vibrating diaphragm can increase vibration damping simultaneously, by increasing capacitance it is possible to increase in it is low
The effect of sound so that sound is simpler and more honest.
Being designed to of the vibrating diaphragm of the utility model first and the second vibrating diaphragm reduces distortion, improves the definition of sound, so that
Further improve the quality of tonequality.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view schematic diagram at the A-A in Fig. 1；
Marked in figure：1st, support, 2, mounting hole, 3, U iron, 4, magnet steel, 5, washer, 6, voice coil loudspeaker voice coil, the 7, first vibrating diaphragm, 8, second
Vibrating diaphragm, 9, ring portion, 10, protective cover.
Embodiment
With reference to embodiment, the utility model will be further described, and described embodiment is only that this practicality is new
A part of embodiment of type, is not whole embodiments.Based on the embodiment in the utility model, the ordinary skill people of this area
Other embodiments used that member is obtained under the premise of creative work is not made, belong to protection model of the present utility model
Enclose.
With reference to accompanying drawing, four drive the speakers for tablet personal computer that the utility model is provided include support 1, the support
1 is evenly distributed with four mounting holes 2, and magnetic circuit unit is provided with each mounting hole 2, and four magnetic circuit unit formation one are rectangular-shaped
Structure, the hole wall that the magnetic circuit unit includes U iron 3, the outer wall of U iron 3 and mounting hole 2 is fixed, and the indent of U iron 3 is fixedly arranged in the middle of
Left between magnet steel 4, the inwall of the magnet steel 4 and U iron 3 and be fixed with washer 5 on gap formation magnetic gap, the magnet steel 4, wherein
Washer mainly plays magnetic conduction, and magnet steel is produces the device in magnetic field, and U iron primarily serves the effect of magnetic conduction；The washer 5
Top is provided with the first vibrating diaphragm 7, and the lower surface of first vibrating diaphragm 7 is connected with voice coil loudspeaker voice coil 6, wherein the lower end of voice coil loudspeaker voice coil 6 be located at magnet steel 4 with
In the magnetic gap formed between U iron inwalls；The periphery of four voice coil loudspeaker voice coils 6 of four magnetic circuit units is additionally provided with the second vibrating diaphragm 8, described
Second vibrating diaphragm 8 is in horn-like, and the surrounding of the second vibrating diaphragm 8 is connected on support 1.In TS parameters, BL values are decision speaker
The major parameter of pressure value size, wherein " B " value is magnetic field intensity, " L " value is the length of voice coil loudspeaker voice coil.It can be obtained according to magnetic simulation
Go out, in the case of area identical, single magnetic circuit unit is split as four magnetic circuit units of a size, can be obtained bigger
" B " value；Likewise, in the case of voice coil loudspeaker voice coil effective area identical, four voice coil loudspeaker voice coils can obtain than one voice coil loudspeaker voice coil bigger " L "
Value, therefore the utility model results in bigger sound press compared with prior art.
The utility model is by the first vibrating diaphragm and the structure design of the second folded film simultaneously, and less first vibrating diaphragm of size can
Obtain and improve high frequency characteristics, low frequency characteristic during larger-size second vibrating diaphragm can be improved, so that the utility model can
Obtain the frequency compared with money；The vibrating diaphragm of the utility model first and the second vibrating diaphragm can increase vibration damping simultaneously, by increasing capacitance it is possible to increase in it is low
The effect of sound so that sound is simpler and more honest.
As a kind of preferred mode of the utility model, in order to improve the guide effect of sound wave, the lower end of the second vibrating diaphragm 8
Size be less than the upper end of the second vibrating diaphragm 8 size.
As a kind of preferred mode of the utility model, the periphery of second vibrating diaphragm 8 is disposed with ring portion 9 and solid
Determine portion, second vibrating diaphragm 8 is connected through fixed part with support 1；Wherein the thickness in ring portion 9 is less than the thickness of the second vibrating diaphragm 8, makees
For a kind of preferred mode of the utility model, the thickness of the second vibrating diaphragm 8 is between 0.048-0.052mm, and the thickness in ring portion exists
Between 0.018-0.020mm.
The thickness of second vibrating diaphragm 8 is more than the thickness of the first vibrating diaphragm 7.By the structure design, can further it reduce
Distortion, improves tonequality.
As a kind of preferred mode of the utility model, the support 1 is additionally provided with for protective cover 10, passes through protective cover
10 pair of first vibrating diaphragm and the second vibrating diaphragm are protected.
First vibrating diaphragm and the second vibrating diaphragm can be using being formed by paper or plastic production, and wherein plastics use polypropylene (PP)
It is made.
Embodiment one
Four drive the speakers of the tablet personal computer of the present embodiment include support, and the support is evenly distributed with four installations
Magnetic circuit unit is installed, four magnetic circuit unit one rectangular-shaped structures of formation, the magnetic circuit unit includes in hole, each mounting hole
The hole wall of U iron, the outer wall of U iron and mounting hole is fixed, and the indent of U iron is fixedly arranged in the middle of magnet steel, the inwall of the magnet steel and U iron it
Between leave gap and form magnetic gap, washer is fixed with the magnet steel, the top of the washer is provided with the first vibrating diaphragm, described first
The lower surface of vibrating diaphragm is connected with voice coil loudspeaker voice coil；The periphery of four voice coil loudspeaker voice coils of four magnetic circuit units is additionally provided with the second vibrating diaphragm, described second
Vibrating diaphragm is in horn-like, and the surrounding of the second vibrating diaphragm is connected on support.
Embodiment two
Four drive the speakers of the tablet personal computer of the present embodiment include support, and the support is evenly distributed with four installations
Magnetic circuit unit is installed, four magnetic circuit unit one rectangular-shaped structures of formation, the magnetic circuit unit includes in hole, each mounting hole
The hole wall of U iron, the outer wall of U iron and mounting hole is fixed, and the indent of U iron is fixedly arranged in the middle of magnet steel, the inwall of the magnet steel and U iron it
Between leave gap and form magnetic gap, washer is fixed with the magnet steel, the top of the washer is provided with the first vibrating diaphragm, described first
The lower surface of vibrating diaphragm is connected with voice coil loudspeaker voice coil；The periphery of four voice coil loudspeaker voice coils of four magnetic circuit units is additionally provided with the second vibrating diaphragm, described second
Vibrating diaphragm is in horn-like, and the surrounding of the second vibrating diaphragm is connected on support；The size of the second vibrating diaphragm lower end is less than on the second vibrating diaphragm
The size at end.
Embodiment three
On the basis of embodiment one or embodiment two, the periphery of second vibrating diaphragm is disposed with ring portion and solid
Determine portion, second vibrating diaphragm is connected through fixed part with support.
Example IV
On the basis of embodiment three, the thickness in the ring portion is less than the thickness of the second vibrating diaphragm.
Embodiment five
On the basis of any of the above-described embodiment, the thickness of second vibrating diaphragm is more than the thickness of the first vibrating diaphragm.
Embodiment six
On the basis of any of the above-described embodiment, the support is additionally provided with for protective cover.
Claims (6)
1. a kind of four drive the speakers for tablet personal computer, including support, it is characterised in that the support is evenly distributed with four
Magnetic circuit unit, four magnetic circuit unit one rectangular-shaped structures of formation, the magnetic circuit list are installed in individual mounting hole, each mounting hole
Hole wall of the member including U iron, the outer wall of U iron and mounting hole is fixed, and the indent of U iron is fixedly arranged in the middle of magnet steel, the magnet steel and U iron
Left between inwall and washer is fixed with gap formation magnetic gap, the magnet steel, the top of the washer is provided with the first vibrating diaphragm, institute
The lower surface for stating the first vibrating diaphragm is connected with voice coil loudspeaker voice coil；The periphery of four voice coil loudspeaker voice coils of four magnetic circuit units is additionally provided with the second vibrating diaphragm, institute
It is in horn-like to state the second vibrating diaphragm, and the surrounding of the second vibrating diaphragm is connected on support.
2. four drive the speakers according to claim 1 for tablet personal computer, it is characterised in that under second vibrating diaphragm
The size at end is less than the size of the second vibrating diaphragm upper end.
3. four drive the speakers according to claim 1 for tablet personal computer, it is characterised in that second vibrating diaphragm
Periphery is disposed with ring portion and fixed part, and second vibrating diaphragm is connected through fixed part with support.
4. four drive the speakers according to claim 3 for tablet personal computer, it is characterised in that the thickness in the ring portion
Thickness of the degree less than the second vibrating diaphragm.
5. four drive the speakers according to claim 1 for tablet personal computer, it is characterised in that second vibrating diaphragm
Thickness is more than the thickness of the first vibrating diaphragm.
6. according to any described four drive the speakers for tablet personal computer of claim 1-5, it is characterised in that the support
It is additionally provided with for protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392959.3U CN206596225U (en) | 2017-04-14 | 2017-04-14 | A kind of four drive the speakers for tablet personal computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392959.3U CN206596225U (en) | 2017-04-14 | 2017-04-14 | A kind of four drive the speakers for tablet personal computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206596225U true CN206596225U (en) | 2017-10-27 |
Family
ID=60120956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720392959.3U Expired - Fee Related CN206596225U (en) | 2017-04-14 | 2017-04-14 | A kind of four drive the speakers for tablet personal computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206596225U (en) |
-
2017
- 2017-04-14 CN CN201720392959.3U patent/CN206596225U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180605 Address after: 638600 Jiang Hua Road, Guanghua Industrial Town, Huaying City, Guang'an, Sichuan Patentee after: SICHUAN GOLDKIOSK TECHNOLOGY CO., LTD. Address before: 636800 Jiang Hua Road, industrial town, Huaying City, Guang'an, Sichuan Patentee before: Sichuan and sounds electronic Science and Technology Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20200414 |